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Daily Sudoku Answer 



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Jun 22 - Hard
Puzzle Copyright © Kevin Stone

Share link – www.brainbashers.com/s038589



Reasoning 



R2C7 is the only square in row 2 that can be <3>

R2C3 is the only square in row 2 that can be <7>

R2C5 is the only square in row 2 that can be <8>

R1C7 is the only square in column 7 that can be <9>

R7C8 is the only square in column 8 that can be <2>

R4C9 is the only square in column 9 that can be <5>

Intersection of row 5 with block 5. The value <9> only appears in one or more of squares R5C4, R5C5 and R5C6 of row 5. These squares are the ones that intersect with block 5. Thus, the other (non-intersecting) squares of block 5 cannot contain this value.

R4C4 - removing <9> from <23489> leaving <2348>

R4C5 - removing <9> from <24679> leaving <2467>

R4C6 - removing <9> from <23469> leaving <2346>

Intersection of column 7 with block 9. The value <6> only appears in one or more of squares R7C7, R8C7 and R9C7 of column 7. These squares are the ones that intersect with block 9. Thus, the other (non-intersecting) squares of block 9 cannot contain this value.

R7C9 - removing <6> from <146> leaving <14>

R9C9 - removing <6> from <4678> leaving <478>

Squares R7C9 and R8C8 in block 9 form a simple naked pair. These 2 squares both contain the 2 possibilities <14>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R8C7 - removing <1> from <16> leaving <6>

R9C9 - removing <4> from <478> leaving <78>

R6C7 is the only square in column 7 that can be <1>

R5C9 can only be <8>

R5C1 can only be <3>

R9C9 can only be <7>

R4C7 can only be <7>

R9C7 can only be <8>

R1C8 is the only square in row 1 that can be <7>

R3C8 is the only square in row 3 that can be <8>

R4C4 is the only square in row 4 that can be <8>

R6C5 is the only square in row 6 that can be <7>

R6C1 is the only square in row 6 that can be <8>

R8C8 is the only square in column 8 that can be <1>

R7C9 can only be <4>

R7C1 can only be <6>

R7C5 can only be <9>

R9C3 can only be <5>

R7C6 can only be <3>

R3C5 can only be <2>

R8C5 can only be <4>

R7C2 can only be <1>

R8C4 can only be <5>

R9C1 can only be <4>

R9C4 can only be <2>

R8C3 can only be <9>

R9C6 can only be <6>

R3C1 can only be <5>

R4C5 can only be <6>

R4C2 can only be <9>

R2C2 can only be <4>

R4C3 can only be <2>

R9C2 can only be <3>

R2C6 can only be <1>

R5C6 can only be <9>

R1C4 can only be <4>

R3C4 can only be <9>

R3C2 can only be <6>

R1C1 can only be <2>

R3C9 can only be <1>

R6C2 can only be <5>

R5C4 can only be <1>

R1C9 can only be <6>

R4C6 can only be <4>

R1C3 can only be <1>

R6C3 can only be <6>

R4C8 can only be <3>

R1C6 can only be <5>

R6C6 can only be <2>

R6C4 can only be <3>

R6C8 can only be <4>



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